kc3-lang/angle/src/compiler/translator/InitializeVariables.h

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• Hash : 9cbc07c3
  Author :
  Date : 2017-05-10T18:22:01
  

  Simplify AST transformations that need to find main
  
  Share code for finding the main function from the AST between
  InitializeVariables, DeferGlobalInitializers,
  EmulateGLFragColorBroadcast and UseInterfaceBlockFields. This makes
  InitializeVariables simpler in particular, as it doesn't need an AST
  traverser anymore.
  
  BUG=angleproject:2033
  TEST=angle_unittests, WebGL conformance tests
  
  Change-Id: I14c994bbde58a904f6684d2f0b72bd8004f70902
  Reviewed-on: https://chromium-review.googlesource.com/501166
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
  

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• src/compiler/translator/InitializeVariables.h

• //
  // Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  #ifndef COMPILER_TRANSLATOR_INITIALIZEVARIABLES_H_
  #define COMPILER_TRANSLATOR_INITIALIZEVARIABLES_H_
  
  #include <GLSLANG/ShaderLang.h>
  
  namespace sh
  {
  class TIntermBlock;
  class TSymbolTable;
  
  typedef std::vector<sh::ShaderVariable> InitVariableList;
  
  // Currently this function is only capable of initializing variables of basic types,
  // array of basic types, or struct of basic types.
  // For now it is used for the following two scenarios:
  //   1. initializing gl_Position;
  //   2. initializing ESSL 3.00 shaders' output variables (which might be structs).
  // Specifically, it's not feasible to make it work for local variables because if their
  // types are structs, we can't look into TSymbolTable to find the TType data.
  void InitializeVariables(TIntermBlock *root,
                           const InitVariableList &vars,
                           const TSymbolTable &symbolTable);
  }  // namespace sh
  
  #endif  // COMPILER_TRANSLATOR_INITIALIZEVARIABLES_H_
  

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